Many of us are so busy that fitting in physical activity can seem impossible on most days.

The situation was impossible, on the face of it.

"They can do things that are simply impossible on less powerful computers."

With lack of implementation, he said it would be nearly impossible on the current time frame.

It's impossible to say, on this showing, who was the better artist.

I was thinking of people who say that happiness is impossible on earth.

I never said it was impossible for every human on the planet to look like that just a lot of people.

No one else really understood what he was doing; indeed, the device seemed impossible on the face of it.

But nothing seemed impossible for the Knicks on this day.

In some cases, teams want to practice throughout the year, which is impossible on most grass fields.